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Registering entity types with OpenJPA programmatically

I’ve just started work on an OpenJPA objectstore for Isis. In the normal scheme of things, one would register the entity types within the persistence.xml file. However, Isis is a ...
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Make your Spring Security @Secured annotations more DRY

Recently a user on the Grails User mailing list wanted to know how to reduce repetition when defining @Secured annotations. The rules for specifying attributes in Java annotations are ...
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Dealing with Weblogic Stuck Threads

Definition or What is a Stuck Thread?   WebLogic Server diagnoses a thread as stuck if it is continually working (not ...
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ADF Task Flow: Managed bean scopes for page fragments

Introduction When we work with ADF Task Flows and need to implement some flow specific business logic or store some information connected with the flow, we usually use ...
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Google AppEngine: Task Queues API

Task Queues com.google.appengine.api.taskqueue With Task Queues a user can initiate a request to have applications perform work outside of this request; they are a powerful tool for ...
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Custom JSF validator for required fields

JSF components implementing EditableValueHolder interface have two attributes ‘ required’ and ‘ requiredMessage’ ...
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Akka STM – Playing PingPong with STM Refs and Agents

PingPong is a classic example where 2 players (or threads) access a shared resource – PingPong Table and pass the Ball (state variable) between each other. With any shared resource, ...
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REST CXF for Spring JPA2 backend

In this demo, we will generate a REST/CXF application with spring/jpa2 backend. This demo presents the track REST-CXF of minuteproject. The model from ...
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Dynamic Property Management in Spring

Static and Dynamic Properties are very important for both operational management and changing the behavior of the system at the production level. Specially, dynamic parameters reduces ...
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TeamCity artifacts: HTTP, Ant, Gradle and Maven

In how many ways can you retrieve TeamCity artifacts? I say plenty to choose from! If you’re in a world of Java build tools then you can use plain HTTP request, Ant + Ivy, Gradle ...
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